10-12 Exercise: A water supply company

1 like 0 dislike
23.2k views

A water supply company charges the water consumption, as follows:

a) Fixed amount of 10$.
b) For the first 30 cubic meters 0.6$/meter.
c) For the next 20 cubic meters 0.8$/meter.  
d) For the next 10 cubic meters 1$/meter.  
e) For every additional meter 1.2$/meter.   

Write a program that reads the water consumption in cubic meters and displays the bill.
寫一個輸入水的用量 輸出水費的程式

Example Input:

25

Output:

Cost: 25.00

Example Input 2:

44

Output:

Cost: 39.20

Example Input 3:
 

75

Output:

Cost: 72.00

 

[Exercise] Coding (C) - asked in Chapter 4: Expressions by (12.1k points)
ID: 26465 - Available when: Unlimited - Due to: Unlimited
edited by | 23.2k views

91 Answers

0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main(){

    float a,b,c,d,e;

*    *  *  ** *  ****   **  ** * ** * *   *** 
  ** ****  *** **  *   * ** *****  *
 **** *** * ** *****    **  **    **
   * **  ** ** ** ****   **    ** * 
 *   *** *** ******  **  *  *  *** * * 

***   **      *  ***   **    ***   **       ************ * 
 * *   **** *** **** ***    **  *** **     *  * * * **  *** * *** ** 

*  * *** * * ***  * **    *  ******  *  *  *** **** * ** *  && a>30){
***    *  *       * * *  ** *** ****  *  **   ***  *  * * *******  ** *** **  * ***

  *  * * * ** * ** * ** **** *     ***** *  ****   *  && a>50){
   *** * * **    **  ** * ****     * ** *  *  ** ** ********    **     

**   ***      ** * **** *  *    *   *    **   * ***** **
* *   *****  *     ***** * * *  ***   *   **  *** * ** **** ** *****  ** ** * *  










    return 0;



}
answered by (-301 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
 * *  *****    *  *  * * *  *   a;
* **    *  **  **  * * *  ****   * **     **     * * *  *
    *** *  *** *    *  **** ** ** * *
 * * **  *   ***    * **  ** ***   ***** * ***   ***** ***  ** ** **** %.2f",a*0.6+10);
  *    *   *    *   *  *     *   * if(a<=50)
** *       *  * *     *  * *** *** *** * * **  *******  * ****  ***** * %.2f",(30*0.6)+(a-30)*0.8+10);
 * ******* ** ***** ****   if(a<=60)
* ***  *  *   *  *  *  ***  * **  * *  *  *    **** * *   **  ** *   ** * ***   ** ** *   ***  **** *
*** * *  * *    * *  * ***** *   
**      **** **     ** * *   *  * * *     *    *    ******** *** *  **   ***** ** * ***      **     ** * *
****  *** ****    **    *  *** *   0;
}
answered by (-258 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include *******  *   *  

int main ()

{
* **  * **  *****  * *  * *****  *   userinput, a, b, c, extra;

      * ***     ****** ** ***    *     **  **** &userinput);
**   **  * *  *   *   ***   (userinput<31)
 * *   **  **** *  ****  
*  ** ***   **  * * ****** ***     * *   * ***  * **   *   = userinput * 0.6;
*   ****   * *  * *** *   *   ** *    *   * ** *   *   * %.2f", a+10);
** ***  * **  *****  * * * *
 * ** *     *    ***** **     if (userinput<51)
*    * * ** *   *** ** **
  ***   *     * **  *  *   **  *    **   * **    *   *    * **  = (userinput - 30)*0.8+30*0.6;
   *  ***    *** ******** ***  **** * *    **  ***** *  ****** **    * %.2f", b+10);
 * *  *** * **    **** * ** **
 *  ** **  *** ****  *  ****  if ** **  ****  *
      **** **** ** * **** *
 * **  **  **** * ** ** * *    *   **  ** * *  * *  *****  * = (userinput - 50)*1+30*0.6+20*0.8;
** * * * *** *  * *    *  ******  *    ***** *** *   ****  ** ***      * %.2f", c+10);
 *   *  ** *****  * ** * *** * 
*     *  * **** *  * ***   **
 * * **  * **      *  * *   *** 
**** **   ** * *****  *** *    *    *  * *******      *   = (userinput -  **** * * **   *
*  *** *  *** * **   * * * ***  ** * *** *** ***** * ** %.2f", extra+10);
*    ** *  * **  *  *  **  * 


         *    * ** **  * * *** 0;

}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
 * * * *    * *  **** *
#define FIXED_AMOUNT 10
int main()
{
* *** ***   * ** ** * *        x, first_30cb,    ** ** *  next_10cb, add_metercb;
* ****  *   ***  *        *  *   *******  &x);
**    **    *   * (x<31)
 **  * *      *  ** 
      *   **    ** **   ** * ** * *    ***   ***   * = FIXED_AMOUNT + x*0.6;
* **  **    ***** ******        * **** * ***** ** *   **** *     * *** * ******    *
**  **    ** ** ***  **
  *   ** * *  ** *       if (x<51)
  *            * * **
 ***   * **   *  *    *   * *   *  *  * ** * ** * *** ** = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
* *** ** ***  *** * * *  ***  *  *     **    *  ****  **   * *   **   ****
  * *    *  **** *** 
 *   **** ** *         if (x<61)
* * *  *  *  *    
* *  *** *    **   **    *** *    ** *****    * **  * = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
 *  * **  * ***    *** *****   ** * *  * *   **** *   *** *****  *  *       * *   
*   * * * **** 
 ****  * ***  ***  
 ***   * *     *** *   *** *     
  * *   **   *     * ** ** * ***** *** *** ** *** * * **  ** = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
   * ****  *** **** *  *** ***  * * **********    *    *    *** *  ******   *   ****  **   
   * **    *  *  *      * 

**  ***  *********   0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main(){

    float a,b,c,d,e;

*** *  *** **** **   **   *  *  ***  *   * * *** **
*** *      ** * * * ** **  **     * *  **
 ** **      * * ****   ** ** *    ** **
**  *** * * ******   ** **   *** **  ****
*** **** **  *** ***** * **     * **  *  * 

*   *   **   **     *     **** *** **** *  *    *     **
 **     ****** ****   *    *  * *** *   * **       *  ****     ****  ** *

** *** * ****  *  *   * ** * * * * *  **  **  * *  * ***  ***  && a>30){
 * * **  *** **** ****   **  ***   **  * * *   ** ** *    *  **** **

  *  * ** * * * * *** *** ** *   *** *   ** *  *        * *  ***   && a>50){
  **   *************   ** * ****   *    ****   ***  *****  ****  * *  

 *   * * ***    *    * *     **  ******      * * * * *
 *** **** **   ***  ***  **     *** * ***    *  ********** * **  *    *  **  










    return 0;



}
answered by (-301 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
* ***** ** *  ** *    ***  *  a;
 *          ***  *******     * *** ** * *     ******     
** ** *    *************** ***    *
  ** *      *  * ** *   * ***  ***     **  ***  *** **   *   ***** *  *   **  **     * 
    else if(a<=50)
   *** * *  * *** *  * ** **    *  *  * * **     ***  ** * * *   *******        ** ** *  *** 
     ** *  *    * ********  *  if(a<=60)
 ******* ***** * ****  * * **** * * **  * ***  **** ** ** * ****  * *  *  **    * **  ** ***  * * *    ***** **
  * *   **** * *  **    ** * *    *****
 * **** *** *   **  *  * *  *** *      *  **  ** * ****  * **   * *  * *   * ****** **  ** ****
*  * ** ** *   ** ***** **** * *   0;
}
answered by (-258 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
 * *  * ** ** * ** *  ** **

***   * *  ** * *  *  * 



int main()

{
******  ***   *   * * **  * ** ** total = 0;

         **  **  ****    ** * amount = 0;

*  ***   *  ******  ** **  ** *  * **   *  * ** **** *

  ** *  *     **  ******** * amount *   * 30 )
* * **  ** *** **** * * * ** * 
* *** **** **   ** * *** ** **     *** *  *  *   ** *   * ** = amount * 0.6 + 10;
* * ******   * * * * ** *** * 

 *** *  ******* *  ***** *******  if( amount *  * 50 )
*  ***   *  * *** *  *
***  *  * *** *  * **     *****   * *   * *     *   * * * * ***   = 10 + 30 * 0.6 + ( amount - 30 ) * 0.8;
*  ***   *   **      * 

 *******  * * ** **** * *  * * if( amount     *    60 )
  **   ** * *   *        * **
 *** *** **     ****    * *  **** ** **  ** ***  *   *  = 10 + 30 * 0.6 + 20 * 0.8 + ( amount - 50 );
 ***  **** *   * ****     ***

* * * * *      *   * * **  *  
   *   * ** ** ** * * *  * *  **
           * ** **  ****** **  ******* ** ****   * **** = 10 + 30 * 0.6 + 20 * 0.8 + 10 * 1 + ( amount - 60 ) * 1.2;
*    * * **** **   **  * **

 **   * * *       ***** * *** *** ***** * *  **  * ***** *     **
 **** * * * **   * * ***  ***     0;

}
answered by (-285 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
*     ***  * ****  *
#define FIXED_AMOUNT 10
int main()
{
 *  ****   **   **   x, first_30cb,   **   * ** ** next_10cb, add_metercb;
**** *  * *  * *    **   **  ** ****   &x);
* *** *  *   ** * * *     (x<31)
**** ** * **  *  *** *  
* * ****  ***  ***     * ** * * ***** *  ** * *   **  = FIXED_AMOUNT + x*0.6;
   * **     *  *  **** *  *  *  **** *   ******* ***    ***  ** * * ** *  *   
  *****  * ** *** * 
 ** **** **  * *  *  ***      if (x<51)
 * ****  *  **  * 
 *** **  ** * *    *  **  **  * * **  *** ****  *     * * = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
        *****   * *   *     ***** **    ** * *  **** **** ** *****    *
**** * ***** **  
*  * *  * * ** **   *  * *  * if (x<61)
*  *    ** * **     *
 ******       *** *  ***** **    * **   * * *  *   *    *** = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
** * **   ********   * *** ****  **  *  **** **  *  * *** * ** *  ** **  * *   * * *  * *
*   *  **   ** ** * *
 **  * * * ******    
 ***   **** * *  * **  ** ** * ***
 *  **     *    **  **   ***  * ****  ** * * * **  * *   * = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
***  **  * *****  **   **  * *  **   * * * * *** ***** *  ***  *  ***  * *******    ** * *
      * ** **  **** **  *****

 *  *   * *  *   **  **    0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
    * *     **   *** ***  *

*   *       * * ** * *  *



int main()

{
 *      *  * ***   * * **  **** ** total = 0;

   ***   ***** * ** ** *    **** += 10;

******** ***       *** **  amount = 0;

**     ** * * *   *  *  *   ** ** ****  ********* *  * *

 * * *   *  *    ****** **  *   ** amount ** ** 30 )
* *  *  *    **  ****  
  * ** ***   * *** **     **** ******** * * * *  ** **** *  **    = amount * 0.6 + 10;
 ** *  *   *     *   ***  * 

*******  **  ** ****** **   if( amount *  50 )
***   *   *  * ****  **    *
*   **  **  *** ** * **** **  *  *  ***   * ** **  ** * ***  = 10 + 30 * 0.6 + ( amount - 30 ) * 0.8;
  *   *    * *  * * *    

*** * * *    *    ***** *    if( amount *  **  60 )
 **     **  ********
 **       ** * ** **  **   ***    **  **  ********  **  *    = 10 + 30 * 0.6 + 20 * 0.8 + ( amount - 50 );
**  ****    * ****        

** * **   *      *  * ** *  * *
**  ** *  ****** **  **    *
****   ***  *  ** * *     **  ****   *     * ****   * = 10 + 30 * 0.6 + 20 * 0.8 + 10 * 1 + ( amount - 60 ) * 1.2;
* **    ***  * *** ** *  

**  **   *   ***  * **  * *  *** **  * ***  *    *  **
 ***** ** *****  *  ** * ** *   *  0;

}
answered by (-285 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
*  * *  *    ***  *   
#define FIXED_AMOUNT 10
int main()
{
** *  * * *   ** *  *     x, first_30cb, **** *  *    next_10cb, add_metercb;
* *  *  ******* ***  *  * * ****  **   **  &x);
 *  * * *****  *  *** *** (x<31)
 *  *   *   ****  **   
***  **  * *  *** ***   *****    * *  *     ***** *  = FIXED_AMOUNT + x*0.6;
* * ** * *   * *******   *** **   * *  ***** **   * ***** ***  *        ** ***
   *   *  *  **    * 
**   *    ****** **    ** if (x<51)
*** *  *      ** ***
*******  ***    ***  *   * * * *  ***  **  * ***  *    = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
***  ***  *     ** ** *   *     * *   ***** * *  * *      ** * *    * *    *** * *    
****  *    ****   * **
* *  *  **  *** **  ** if (x<61)
** *  * ***   ** **   **
  ***   * **   **  * ****     ** * **** *** **  *** *** * * = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
**** * *  **   ** ***  *  *  ***     *   **** *** *  **** ** ***  * ***   **
             * *  * *
*** * *  * **** ** * **
 **  *  * ** ** *    *** * * 
* *   ** * * **** **  *  **    **  * *** * ***     *       *  = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
**   *  ***       ** ***  *    ******   * * *     *** *  * *  *  **   *      ** *** 
*  * * ****  *  * ** ***  * 

 ****** * *  **     * *    0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Wrong output
Case 4: Wrong output
commented
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:162.159.115.32
©2016-2026

Related questions

3 like 0 dislike
87 answers
10/12 Exercise: Complete a program with output format
[Exercise] Coding (C) - asked Oct 12, 2017 in Chapter 3: Formatted Input/Output by thopd (12.1k points)
ID: 26463 - Available when: Unlimited - Due to: Unlimited | 18.4k views
3 like 0 dislike
86 answers
10-05: A program that reads the exams result and displays the percentages.
[Exercise] Coding (C) - asked Oct 5, 2017 in Chapter 4: Expressions by thopd (12.1k points)
ID: 25730 - Available when: Unlimited - Due to: Unlimited | 16.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users